[jira] [Created] (YARN-10103) Capacity scheduler: add support for create=true/false per mapping rule

["Peter Bacsko (Jira)" <ji...@apache.org>]

Peter Bacsko created YARN-10103:
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             Summary: Capacity scheduler: add support for create=true/false per mapping rule
                 Key: YARN-10103
                 URL: https://issues.apache.org/jira/browse/YARN-10103
             Project: Hadoop YARN
          Issue Type: Sub-task
            Reporter: Peter Bacsko


You can't ask Capacity Scheduler for a mapping to create a queue if it doesn't exist.

For example, this mapping would use the first rule if the queue exist. If it doesn't, then it proceeds to the next rule.

Example:
{{u:%user:%primary_group.%user:create=false;u:%user%:root.default}}

Let's say user "alice" belongs to the "admins" group. It would first try to map {{root.admins.alice}}. But, if the queue doesn't exist, then it places the application into {{root.default}}.



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